The best 12V compressor fridges on the market are excellent at retaining cold because they have good components, efficient design and thicker insulation. The less often the compressor and fans have to run to maintain a set temperature, the lower the power draw from the battery.
A lesson learned is to invest in a quality fridge that is made using the best materials, has a warranty, and that has a proven record for going the distance. Out in the bush, you don’t want to discover the circuit board is faulty, or the compressor can’t handle the shakes.
A fridge can run from a 12V outlet drawing on the cranking battery, but the vehicle will shut off the fridge draw as soon as the battery voltage drops below a safe voltage – usually
